PRACE DOKTORSKIE - SZWECJA 550,896 PERSSON STEFAN Neuropeptide endopeptidases and opioid precursors in opoid tolerance, arthritis and exercise : [doctoral thesis] / by Stefan Person. - Uppsala : Acta Univer-sitatis Upsallensis, 1993. - 63 s. : wykr. ; 24 cm (Acta Universitatis Uppsaliensis s: Comprehensive Summaries of Uppsala Dissertations from the Faculty of Pharmacy, ISSN 0282-7484 ; 109) ISBN 91-554-3198-4